Ecopetrol S.A. operates as an integrated energy company. The company operates through four segments: Exploration and Production; Transport and Logistics; Refining, Petrochemical and Biofuels; and Electric Power Transmission and Toll Roads Concessions. It engages in the exploration and production of oil and gas; transportation of crude oil, motor fuels, fuel oil, and other refined products, including diesel, jet, and biofuels; processing and refining crude oil; distribution of natural gas and LPG; sale of refined and petrochemical products; supplying of electric power transmission services; design, development, construction, operation, and maintenance of road and energy infrastructure projects; and supplying of information technology and telecommunications services. As of December 31, 2022, the company had approximately 9,127 kilometers of crude oil and multi-purpose pipelines. It also produces and commercializes polypropylene resins and compounds, and masterbatches; and offers industrial service sales to customers and specialized management services. It has operations in Colombia, the United States, Asia, Central America and the Caribbean, Europe, and South America. The company was formerly known as Empresa Colombiana de Petróleos and changed its name to Ecopetrol S.A. in June 2003. Ecopetrol S.A. was incorporated in 1948 and is headquartered in Bogotá, Colombia.

YPF Sociedad Anónima, an energy company, engages in the oil and gas upstream and downstream activities in Argentina. Its upstream operations include the exploration, exploitation, and production of crude oil, and natural gas. The company's downstream operations include petrochemical production and crude oil refining; transportation and distribution refined and petrochemical products; commercialization of crude oil, petrochemical products, and specialties. Its gas and power operations include transportation, commercialization, and distribution of natural gas; operation of regasification terminals; conditioning, processing, and separation of natural gas; and power generation. The company had interests in oil and gas fields. It also had a retail distribution network and retail service stations. In addition, the company owns and operates refineries, as well as maintains terminal facilities Argentine ports. Further, it participates in power generation plants; offers diesel, fertilizers, lubricants, phytosanitary products, and ensiling bags; and supplies diesel, gasoline, fuel oil, coal, asphalts, paraffin, and sulfur, CO2, decanted oil, and aromatic extract. The company was incorporated in 1977 and is based in Buenos Aires, Argentina.

Vista Energy, S.A.B. de C.V., through its subsidiaries, engages in the exploration and production of oil and gas in Latin America. The company's principal assets located in Neuquina basin, Argentina and Vaca Muerta. It owns producing assets in Argentina and Mexico. In addition, the company involved in drilling and workover activities located in Argentina. The company was formerly known as Vista Oil & Gas, S.A.B. de C.V. and changed its name to Vista Energy, S.A.B. de C.V. in April 2022. Vista Energy, S.A.B. de C.V. was incorporated in 2017 and is based in Mexico City, Mexico.

Companhia Paranaense de Energia - COPEL engages in the generation, transformation, distribution, and sale of electricity to industrial, residential, commercial, rural, and other customers in Brazil. The company operates through Power Generation and Transmission, Power Distribution, GAS, Power Sale, and Holding and Services segments. It is also involved in the piped natural gas distribution. The company operates hydroelectric, wind, and thermoelectric plants; and owns and operates transmission and distribution lines. It holds concessions to distribute electricity in municipalities in the State of Paraná and in the municipality of Porto União in the State of Santa Catarina. Companhia Paranaense de Energia – COPEL was founded in 1954 and is headquartered in Curitiba, Brazil.

Companhia Paranaense de Energia - COPEL engages in the generation, transformation, distribution, and sale of electricity to industrial, residential, commercial, rural, and other customers in Brazil. The company operates through Power Generation and Transmission, Power Distribution, GAS, Power Sale, and Holding and Services segments. It is also involved in the piped natural gas distribution. The company operates hydroelectric, wind, and thermoelectric plants; and owns and operates transmission and distribution lines. It holds concessions to distribute electricity in municipalities in the State of Paraná and in the municipality of Porto União in the State of Santa Catarina. Companhia Paranaense de Energia – COPEL was founded in 1954 and is headquartered in Curitiba, Brazil.

Transportadora de Gas del Sur S.A. engages in transportation of natural gas, and production and commercialization of natural gas liquids in Argentina and internationally. The company operates through four segments: Natural Gas Transportation Services; Liquids Production and Commercialization; Midstream; and Telecommunications. The Natural Gas Transportation segment transports natural gas through pipeline system to distribution companies, power plants, and industrial customers. It provides operation and maintenance services for the natural gas transportation facilities. The Liquids Production and Commercialization segment produces and commercializes natural gas liquids, such as ethane, liquid petroleum gas, natural gasoline, propane, and butane. This segment offers certain related services comprising reception, storage, and dispatch of the liquids. The Midstream segment provides natural gas conditioning services; treatment, removal of impurities and natural gas compression, including the collection and transport of natural gas; and inspection and maintenance of pipelines and compressor plants services. In addition, this segment offers steam generation for electricity production and management services for expansion works and steam generation for the production of electricity. The Telecommunications segment offers data transmission services through a network of digital terrestrial radio relay. It serves residential, commercial, industrial, and electric power generation end users. The company was incorporated in 1992 and is headquartered in Buenos Aires, Argentina. Transportadora de Gas del Sur S.A. is a subsidiary of Compañía de Inversiones de Energía S.A.

Central Puerto S.A. engages in the electric power generation in Argentina. It operates in four segments: Electric Power Generation from Conventional Sources, Electric Power Generation from Renewable Sources, Natural Gas Transport and Distribution, and Forest Activity. The company generates energy through combined cycle, gas and steam turbines, co-generation, hydroelectric, wind turbines, and solar panels. It also engages in the natural gas transport and distribution; forestry; and mining businesses. Central Puerto S.A. was incorporated in 1992 and is based in Buenos Aires, Argentina.

Empresa Distribuidora y Comercializadora Norte Sociedad Anónima is involved in the distribution and sale of electricity in Argentina. The company was incorporated in 1992 and is based in Buenos Aires, Argentina. Empresa Distribuidora y Comercializadora Norte Sociedad Anónima operates as a subsidiary of Empresa de Energía del Cono Sur S.A..